//
//  NSObject+Study.h
//  ReviewDemo
//
//  Created by 龙 on 2018/3/23.
//  Copyright © 2018年 long. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSObject (Study)

@end
/*
 Category ：
 
 struct objc_category {
     char * _Nonnull category_name                            OBJC2_UNAVAILABLE;
     char * _Nonnull class_name                               OBJC2_UNAVAILABLE;
     struct objc_method_list * _Nullable instance_methods     OBJC2_UNAVAILABLE;
     struct objc_method_list * _Nullable class_methods        OBJC2_UNAVAILABLE;
     struct objc_protocol_list * _Nullable protocols          OBJC2_UNAVAILABLE;
 }
 
 */
